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Date: Tue, 29 May 2012 20:33:35 -0700 (PDT)
From: chester c young <chestercyoung@yahoo.com>
Subject: Re: possible bug in psql
To: Jasen Betts <jasen@xnet.co.nz>, pgsql-sql@postgresql.org
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> > do not know if right mailing list=0A> >=0A> > in psql in Ubuntu, when b=
eginning with a smaller=0A> terminal, eg, 80=0A> > col wide, then moving to=
 a larger terminal, eg, 132 col=0A> wide, the=0A> > readline(?) editor in p=
sql still treats like 80 cols,=0A> making it=0A> > impossible to edit longe=
r text.=A0 =A0 =0A> =0A> As far as I know (as this is the behavior in debia=
n stable)=0A> the ubuntu people use libgettext and not libreadline.=0A> =0A=
> You can force it to use libreadline by using=0A> LD_PRELOAD.=A0 I reccome=
nd =0A> that you do I did this by editing /usr/bin/psql which is a=0A> perl=
 script=0A> =0A> In any case linux doesn't propogate SIG_WINCH to the other=
=0A> processes=0A> that are using the pty so even if you are using readline=
 you=0A> have to =0A> force this by resizing the window again after exiting=
 the=0A> pager, and=0A> then press ctrl-l to clear the screen. =0A=0Aseems =
to me that Ubuntu is using readline (but I might be wrong)=0A=0Afrom /usr/b=
in/psql:=0A=0A# libreadline is a lot better than libedit, so prefer that=0A=
if ($cmdname eq 'psql') {=0A    my @readlines;=0A    push @readlines, sort(=
</lib/libreadline.so.*>);=0A    if (@readlines) {=0A    $ENV{'LD_PRELOAD'} =
=3D ($ENV{'LD_PRELOAD'} or '') . ':' . $readlines[-1];=0A    }=0A}=0A=0Aals=
o, LD_PRELOAD is not referenced anywhere in /etc/postgrest/...